(This report combines another two starter submissions having the same model number: MZ6222, the same type aircraft installation: PA-28R, and both from the same mechanic. This is not the same mechanic who provided the previous submission.)

“The bendix drive gear (has) come apart, damaging the ring gear. The supplier (not the manufacturer) stated this was a common problem. This (bendix defect is...) the second instance for this (particular) aircraft.” Another report from this mechanic provides a similar description for another PA-28 aircraft.

(The SDRS data base records nine entries with similar descriptions for this particular part number.)

Part Total Times: 60 and 140 hours (respectively).